Tundish of bias flow continuous casting machine

Abstract

The utility model discloses a tundish of a bias flow continuous casting machine, and relates to the technical field of powder metallurgy. A compensation device is arranged on the tundish and comprises a weighing supporting seat, a supporting bottom plate and two disc spring compensators, the two disc spring compensators are both installed in the weighing supporting seat, the upper surface of the supporting bottom plate is fixedly connected with the lower ends of the two disc spring compensators, and the upper surface of the supporting bottom plate is fixedly connected with the lower ends of the two disc spring compensators. Two limiting blocks are fixedly connected to the outer wall of one side of the weighing supporting seat, supporting point position deformation caused by bearing change can be effectively compensated through a disc spring compensator in the compensation device, it is ensured that the weighing sensor accurately measures the weight of molten steel, and therefore the stability of the tundish in the bearing process is enhanced, and the stability of the tundish is improved. Mechanical stress caused by uneven load bearing is reduced, so that the situation that when the contact surface position of a weighing supporting point deforms, the weighing supporting point cannot be effectively compacted on a tundish car weighing sensor guide wheel is avoided, the use stability of a tundish is effectively improved, and the service life of the tundish is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy, and particularly relates to a tundish of a side-blown continuous casting machine. Background Art

[0002] With the continuous development of continuous casting technology, the quality requirements for continuous casting billets are becoming increasingly strict. The tundish has become one of the indispensable equipment in the continuous casting production process. In addition to the functions of distributing molten steel and making the molten steel uniform, the tundish of continuous casting is also an important means of purifying molten steel.

[0003] When the existing tundish is weighed, when the contact surface position of the weighing support point is deformed, it cannot be effectively compacted on the guide wheel of the weighing sensor of the tundish car, resulting in a decrease in weighing accuracy. At the same time, the weighing support point may be damaged due to uneven force, affecting the service stability and life of the entire tundish. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a tundish of a side-blown continuous casting machine, which can solve the problems that when the contact surface position of the weighing support point is deformed, it cannot be effectively compacted on the guide wheel of the weighing sensor of the tundish car, resulting in a decrease in weighing accuracy, and at the same time, the weighing support point may be damaged due to uneven force, affecting the service stability and life of the entire tundish.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a tundish of a side-blown continuous casting machine, including a tundish, and a compensation device is arranged on the tundish;

[0006] The compensation device includes a weighing support seat, a support bottom plate and two disc spring compensators. The two disc spring compensators are both installed inside the weighing support seat. The upper surface of the support bottom plate is fixedly connected to the lower ends of the two disc spring compensators. Two limiting blocks are fixedly connected to one outer wall of the weighing support seat. Two limiting grooves are respectively opened on the outer walls of both sides of the tundish;

[0007] Wherein, a limiting frame is arranged below the weighing support seat. Two fixing blocks are fixedly connected to the upper surface of the limiting frame. Fixing bolts are respectively threadedly connected to the grooves opened on both sides of the limiting frame. Two threaded holes are respectively opened on the lower surface of the upper end of the tundish. There are two compensation devices, and the two compensation devices are respectively arranged on both sides of the tundish.

[0008] Preferably, the outer walls of the two limiting blocks are respectively slidably connected to the inside of the corresponding limiting grooves. The outer wall of the support bottom plate is in contact with the inner wall of the lower end opening of the weighing support seat. The outer walls of the two fixing blocks are respectively slidably connected to the inside of the corresponding limiting grooves;

[0009] Among them, one end of each of the two fixing bolts close to the threaded holes extends threadedly into the corresponding threaded holes, and the upper surfaces of the two fixing blocks are respectively in contact with the lower surfaces of the corresponding limiting blocks.

[0010] Preferably, a convex structure is installed at the front end of the tundish;

[0011] Among them, the inside of the convex structure communicates with the inside of the tundish.

[0012] Preferably, a cover plate is installed at the upper end of the tundish;

[0013] Among them, a plurality of pouring holes are provided on the upper surface of the cover plate, and a first slag baffle is installed inside the tundish.

[0014] Preferably, the first slag baffle is inclined inside the tundish;

[0015] Among them, a second slag baffle is installed inside the tundish.

[0016] Preferably, the second slag baffle is inclined inside the tundish;

[0017] Among them, two mounting seats are installed on the outer wall at the rear end of the tundish, and hooks are rotatably connected to the front ends of the two mounting seats.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. For the tundish of this inclined continuous casting machine, the disc spring compensator in the compensation device can effectively compensate for the deformation of the support point position caused by the change in load, ensure that the weighing sensor accurately measures the weight of the molten steel, thereby enhancing the stability of the tundish during the loading process. By reducing the mechanical stress caused by uneven loading, it avoids the situation where when the contact surface position of the weighing support point deforms, it cannot effectively press on the guide wheel of the weighing sensor of the tundish car, and effectively improves the service stability and life of the tundish. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram inside the tundish of the present utility model;

[0023] Figure 3 is a structural schematic diagram outside the limit frame of the present utility model.

[0024] Reference numerals: 1, tundish; 2, mounting base; 3, hook; 4, cover plate; 5, weighing support base; 6, convex structure; 7, fixing bolt; 8, limiting frame; 9, disc spring compensator; 10, first slag baffle; 11, second slag baffle; 12, limiting groove; 13, limiting block; 14, supporting bottom plate; 15, threaded hole; 16, fixing block. Detailed implementation manners

[0025] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0026] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present invention, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0029] Please refer to Figures 1 - 3 , the present invention provides a technical solution: a tundish for a skew continuous casting machine, including a tundish 1;

[0030] A compensation device is provided on the tundish 1;

[0031] The compensation device includes a weighing support base 5, a support bottom plate 14, and two disc spring compensators 9. Both of the two disc spring compensators 9 are installed inside the weighing support base 5. The upper surface of the support bottom plate 14 is fixedly connected to the lower ends of the two disc spring compensators 9. Two limit blocks 13 are fixedly connected to one outer wall of the weighing support base 5. Two limit grooves 12 are respectively formed on both outer walls of the tundish 1. The outer walls of the two limit blocks 13 are respectively slidably connected to the interiors of the corresponding limit grooves 12. The outer wall of the support bottom plate 14 contacts the inner wall of the lower opening of the weighing support base 5. A limit frame 8 is arranged below the weighing support base 5. Two fixing blocks 16 are fixedly connected to the upper surface of the limit frame 8. The outer walls of the two fixing blocks 16 are respectively slidably connected to the interiors of the corresponding limit grooves 12. Fixing bolts 7 are respectively threadedly connected to the interiors of the grooves formed on both sides of the limit frame 8. Two threaded holes 15 are respectively formed on the lower surface of the upper end of the tundish 1. One ends of the two fixing bolts 7 close to the threaded holes 15 respectively threadedly extend into the interiors of the corresponding threaded holes 15. The upper surfaces of the two fixing blocks 16 respectively contact the lower surfaces of the corresponding limit blocks 13. There are two compensation devices in total, and the two compensation devices are respectively arranged on both sides of the tundish 1.

[0032] Among them, a convex structure 6 is installed at the front end of the tundish 1. The interior of the convex structure 6 communicates with the interior of the tundish 1. A cover plate 4 is installed at the upper end of the tundish 1. A plurality of pouring holes are arranged on the upper surface of the cover plate 4. A first slag dam 10 is installed inside the tundish 1. The first slag dam 10 is inclined inside the tundish 1. A second slag dam 11 is installed inside the tundish 1. The second slag dam 11 is inclined inside the tundish 1. Two mounting seats 2 are installed on the outer wall at the rear end of the tundish 1. Hook 3s are respectively rotatably connected to the interiors of the front ends of the two mounting seats 2.

[0033] Further, when using this device, it is started by connecting to an external power supply. First, the tundish 1 receives the high-temperature molten steel poured from the ladle. Through the first slag dam 10 and the second slag dam 11 arranged inside it, the molten steel is guided to different pouring zones, and these zones are provided with tapping holes to evenly distribute the molten steel into each mold. The turbulence inhibitor inside the tundish 1 helps to reduce the turbulence of the molten steel and promote the floating of inclusions, thereby purifying the molten steel. Then, when bearing weight, by placing the support bottom plate 14 at the bearing point, and then the disc spring compensator 9 can effectively compensate for the deformation of the support point position caused by the change in bearing weight, ensuring that the load cell accurately measures the weight of the molten steel, thereby enhancing the stability of the tundish during the bearing process. By reducing the mechanical stress caused by uneven bearing weight. Then, when it is necessary to disassemble the disc spring compensator 9, by screwing the fixing bolt 7 to rotate so that the other end thereof is disengaged from the interior of the threaded hole 15, and then removing the limit frame 8, the weighing support base 5 can be removed from the tundish 1.

[0034] The disc spring compensator 9 in the compensation device can effectively compensate for the deformation of the support point position caused by the change in load, ensuring that the load cell accurately measures the weight of the molten steel, thereby enhancing the stability of the tundish during the loading process. By reducing the mechanical stress caused by uneven loading, it avoids the situation where when the contact surface position of the weighing support point is deformed, it cannot effectively compact on the guide wheel of the tundish load cell, effectively improving the service stability and lifespan of the tundish 1. By turning the fixing bolt 7 to rotate and making its other end disengage from the inside of the threaded hole 15, and then removing the limit frame 8, the weighing support seat 5 can be removed from the tundish 1, which facilitates the disassembly of the disc spring compensator 9, effectively improving the practicality and flexibility of the equipment, and at the same time improving the work efficiency of the staff.

[0035] Working principle: First, the tundish 1 receives the high-temperature molten steel poured from the ladle. Through the first slag dam 10 and the second slag dam 11 provided inside it, the molten steel is guided to different pouring zones, and these zones are provided with tapping holes to evenly distribute the molten steel into each mold. The turbulence inhibitor in the tundish 1 helps to reduce the turbulence of the molten steel and promote the floating of inclusions, thereby purifying the molten steel. Then, during loading, by placing the support bottom plate 14 at the load point, and then the disc spring compensator 9 can effectively compensate for the deformation of the support point position caused by the change in load, ensuring that the load cell accurately measures the weight of the molten steel, thereby enhancing the stability of the tundish during the loading process. By reducing the mechanical stress caused by uneven loading. Then, when it is necessary to disassemble the disc spring compensator 9, by turning the fixing bolt 7 to rotate and making its other end disengage from the inside of the threaded hole 15, and then removing the limit frame 8, the weighing support seat 5 can be removed from the tundish 1.

[0036] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. A tundish for a side-blown continuous casting machine, comprising a tundish (1), characterized in that: A compensation device is provided on the tundish (1). The compensation device includes a weighing support base (5), a support bottom plate (14) and two disc spring compensators (9). The two disc spring compensators (9) are both installed inside the weighing support base (5). The upper surface of the support bottom plate (14) is fixedly connected to the lower ends of the two disc spring compensators (9). Two limit blocks (13) are fixedly connected to one outer wall of the weighing support base (5). Two limit grooves (12) are provided on both outer walls of the tundish (1). Among them, a limit frame (8) is provided below the weighing support base (5). Two fixing blocks (16) are fixedly connected to the upper surface of the limit frame (8). Fixing bolts (7) are threadedly connected to the inner parts of the grooves provided on both sides of the limit frame (8). Two threaded holes (15) are provided on the lower surface of the upper end of the tundish (1). There are two compensation devices in total, and the two compensation devices are respectively arranged on both sides of the tundish (1).

2. The tundish of a current-bias continuous casting machine according to claim 1, wherein: The outer walls of the two limit blocks (13) are respectively slidably connected to the inside of the corresponding limit grooves (12). The outer wall of the support bottom plate (14) contacts the inner wall of the lower end opening of the weighing support base (5). The outer walls of the two fixing blocks (16) are respectively slidably connected to the inside of the corresponding limit grooves (12). Among them, one end of each of the two fixing bolts (7) close to the threaded hole (15) threadedly extends into the inside of the corresponding threaded hole (15). The upper surfaces of the two fixing blocks (16) are respectively in contact with the lower surfaces of the corresponding limit blocks (13).

3. The tundish of a current-bias continuous casting machine according to claim 1, characterized in that: A convex structure (6) is installed at the front end of the tundish (1). Among them, the inside of the convex structure (6) is communicated with the inside of the tundish (1).

4. The tundish of a current-bias continuous casting machine according to claim 1, characterized in that: A cover plate (4) is installed at the upper end of the tundish (1). Among them, a plurality of pouring holes are provided on the upper surface of the cover plate (4). A first slag baffle (10) is installed inside the tundish (1).

5. The tundish of a current-bias continuous casting machine according to claim 4, wherein: The first slag baffle (10) is inclined inside the tundish (1). Among them, a second slag baffle (11) is installed inside the tundish (1).

6. The tundish of a current-bias continuous caster according to claim 5, wherein: The second slag baffle (11) is inclined inside the tundish (1). Among them, two mounting seats (2) are installed on the outer wall at the rear end of the tundish (1). Hooks (3) are rotatably connected to the front inner parts of the two mounting seats (2).

Images